The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.
Roof algae cleaning solution.
If not prevented it will take over the maximum portion of your house.
Wet forget no scrub outdoor cleaner.
They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done.
Our low pressure methods are safe on your roof and siding and we deliver same day results.
Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water.
There is a time when every roof gets moss mildew or agley due to sun rain and snow.
To remove it you can try wet forget no scrub outdoor cleaner.
We now offer exterior disinfection sanitization to combat the spread of covid 19.
For a larger more involved surface area pour the formula into a pump sprayer.
Life is dirty clean easy.
No pressure washers please.
The second method is to spray on a coating of stain blocking solution defy stain blocker for roofs is one product but there are other brands as well a stain blocking product can buy you up to three years of protection from algae.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.